US3365567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric steam generator
Assignee: Individual
•
Filing: 1965-06-21
•
Granted: 1968-01-23
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Woodrow W Smith
- 👤 Woodrow F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:37
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/06; A61H33/063; F; F22; F22B; F22B1/00; F22B1/28; F22B1/284; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1561243A
Cited
US2443359A
Cited
US2627015A
Cited
US2880300A
Cited
US2807889A
Cited
US3044181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |